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Findings

CVE-2024-4040

CrushFTP VFS Sandbox Escape Vulnerability

Published Apr 22, 2024 · updated Jun 17, 2026 · crushftp crushftp

A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 22, 2024 · Catalog

    Detected

    A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.

  2. Apr 24, 2024 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. May 1, 2024 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 17, 2026 · Catalog

    Updated

    A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perform remote code execution on the server.

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date May 1, 2024

Affected

  • cpe crushftp/crushftpversion unspecified
  • vendor CrushFTP CrushFTPversion unspecified

Sources

  • CISA KEVConfirmed exploitationCVE-2024-4040

    CrushFTP contains an unspecified sandbox escape vulnerability that allows a remote attacker to escape the CrushFTP virtual file system (VFS).

    cisa.gov
  • CVE.orgVulnerability recordCVE-2024-4040

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2024-4040

    30-day exploitation probability 99.5%

    first.org
  • Metasploit ModulesPublic exploit moduleauxiliary_gather/crushftp_fileread_cve_2024_4040

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2024-4040

    A server side template injection vulnerability in CrushFTP in all versions before 10.7.1 and 11.1.0 on all platforms allows unauthenticated remote attackers to read files from the filesystem outside of the VFS Sandbox, bypass authentication to gain administrative access, and perf

    nvd.nist.gov

References